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Technical Data Sheet
PartsTable / COMPONENT / 0S1608
0S1608 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 2.500 INCHES NOMINAL IN, head_height: 0.243 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.250 INCHES MINIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-814-6565, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
0S1608
NSN: 5306-00-814-6565
FSC: 5306
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length2.500 INCHES NOMINAL IN
head_height0.243 INCHES NOMINAL IN
thread_class2A A
thread_length1.250 INCHES MINIMUM IN
fastener_length3.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.563 INCHES NOMINAL IN
end_item_identificationLOGISTICS SUPPORT VESSEL
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-814-6565
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 0S1608 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH BETWEEN FLATS: 0.563 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES MINIMUM IN
•
FEATURES PROVIDED: FINISHED HEAD
•
THREAD QUANTITY PER INCH: 16
•
GRIP LENGTH: 2.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
FASTENER LENGTH: 3.750 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.563 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES MINIMUM IN
FEATURES PROVIDEDFINISHED HEAD
THREAD QUANTITY PER INCH16
GRIP LENGTH2.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONLOGISTICS SUPPORT VESSEL
NOMINAL THREAD DIAMETER0.375 INCHES IN
FASTENER LENGTH3.750 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
MS35489-20Interchangeable
interchangeable cross-reference
interchangeable
37K103890Interchangeable
interchangeable cross-reference
interchangeable
5325001749038Interchangeable
interchangeable cross-reference
interchangeable
125-3913Interchangeable
interchangeable cross-reference
interchangeable
213-7-2Interchangeable
interchangeable cross-reference
interchangeable
319838R1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 0S1608?
0S1608 is a BOLT,MACHINE.
What parts can replace 0S1608?
There are 11 known substitutes for 0S1608: MS35489-20, 37K103890, 5325001749038 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 0S1608?
0S1608 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-814-6565. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026